Question

Which change happens when FeCl3 changes to FeCl2 ?
(a) Oxidation
(b) Reduction
(c) Decomposition
(d) Combination

Answer 1

Answer:

reduction

Explanation:

electro negative element is lost.

Answer 2

Answer:

Explanation:

Ferric Chloride which is also identified as FeCl3 Changes to FeCl2. In general, FeCl3 is also an inorganc compound by nature and property.

This is also one types of Iron compound that is having its oxidation number equivalent to 3+. The compound is anhydrous type and is crystalline in appearance. It is found in nature as solid form.

Now the type of reaction that is involved when FeCl3 (Ferric Chloride) changes to FeCl2 ( Ferrous Chloride), is a very common reaction.  

This type of reaction generally takes place only when temperature condition is maintained very high. The type of reaction that takes place here would be termed as Decomposition reaction (reversible). So oxidation or reduction would not just be right as Reduction reaction does take place but is only temporary.  

More likely Reversible Decomposition reaction is what actually takes place as FeCl2 is not very much stable and recombines further producing Acid of Chloride.

So the correct answer here would be C) – Decomposition.